stor-layout.c (place_field): Don't emit -Wpadded warnings for fields in builtin structs.

	* stor-layout.c (place_field): Don't emit -Wpadded warnings for
	fields in builtin structs.
	(finalize_record_size): Likewise.

	* obj-c++.dg/layout-1.mm: Don't xfail dg-bogus on lp64, change
	line from 1 to 0.
	* obj-c++.dg/bitfield-1.mm: Likewise.
	* obj-c++.dg/bitfield-4.mm: Likewise.

From-SVN: r152780

gcc/ChangeLog

+2009-10-14  Jakub Jelinek  <jakub@redhat.com>
+
+	* stor-layout.c (place_field): Don't emit -Wpadded warnings for
+	fields in builtin structs.
+	(finalize_record_size): Likewise.
+
 2009-10-14  Richard Guenther  <rguenther@suse.de>
 
 	* gimple.c (gtc_ob): New global.

gcc/stor-layout.c

@@ -1118,7 +1118,8 @@ place_field (record_layout_info rli, tree field)
       /* No, we need to skip space before this field.
 	 Bump the cumulative size to multiple of field alignment.  */
 
-      warning (OPT_Wpadded, "padding struct to align %q+D", field);
+      if (DECL_SOURCE_LOCATION (field) != BUILTINS_LOCATION)
+	warning (OPT_Wpadded, "padding struct to align %q+D", field);
 
       /* If the alignment is still within offset_align, just align
 	 the bit position.  */
@@ -1483,7 +1484,8 @@ finalize_record_size (record_layout_info rli)
     = round_up_loc (input_location, unpadded_size_unit, TYPE_ALIGN_UNIT (rli->t));
 
   if (TREE_CONSTANT (unpadded_size)
-      && simple_cst_equal (unpadded_size, TYPE_SIZE (rli->t)) == 0)
+      && simple_cst_equal (unpadded_size, TYPE_SIZE (rli->t)) == 0
+      && input_location != BUILTINS_LOCATION)
     warning (OPT_Wpadded, "padding struct size to alignment boundary");
 
   if (warn_packed && TREE_CODE (rli->t) == RECORD_TYPE

gcc/testsuite/ChangeLog

+2009-10-14  Jakub Jelinek  <jakub@redhat.com>
+
+	* obj-c++.dg/layout-1.mm: Don't xfail dg-bogus on lp64, change
+	line from 1 to 0.
+	* obj-c++.dg/bitfield-1.mm: Likewise.
+	* obj-c++.dg/bitfield-4.mm: Likewise.
+
 2009-10-14  Richard Guenther  <rguenther@suse.de>
 
 	PR lto/41173

gcc/testsuite/obj-c++.dg/bitfield-1.mm

@@ -115,7 +115,7 @@ int main(void)
 }
 
 /* { dg-prune-output "In file included from" }  Ignore this message.  */
-/* { dg-bogus "padding struct to align" "PR23610" { xfail lp64 } 1 } */
+/* { dg-bogus "padding struct to align" "PR23610" { target *-*-* } 0 } */
 /* { dg-bogus "padding struct size" "PR23610" { xfail lp64 } 42 } */
 /* { dg-bogus "padding struct size" "PR23610" { xfail lp64 } 45 } */
 /* { dg-bogus "padding struct size" "PR23610" { xfail lp64 } 59 } */

gcc/testsuite/obj-c++.dg/bitfield-4.mm

@@ -50,7 +50,7 @@ int main(void)
 }
 
 /* { dg-prune-output "In file included from" }  Ignore this message.  */
-/* { dg-bogus "padding struct to align" "PR23610" { xfail lp64 } 1 } */
+/* { dg-bogus "padding struct to align" "PR23610" { target *-*-* } 0 } */
 
 /* { dg-bogus "padding struct size" "PR23610" { xfail lp64 } 28 } */
 /* { dg-bogus "padding struct size" "PR23610" { xfail lp64 } 34 } */

gcc/testsuite/obj-c++.dg/layout-1.mm

@@ -14,4 +14,4 @@
 @end
 
 /* { dg-prune-output "In output included from" }   Ignore this message.  */
-/* { dg-bogus "padding struct to align" "PR23610" { xfail lp64 } 1 } */
+/* { dg-bogus "padding struct to align" "PR23610" { target *-*-* } 0 } */